Adam Robert Ohnmacht, DO
Family Medicine Physician · Millersburg, PA
Adam Robert Ohnmacht, DO is a family medicine physician with a practice address in Millersburg, Pennsylvania, and NPI 1457000648, issued on Mar 23, 2022. Check the license (Pennsylvania OS024713, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Adam Robert Ohnmacht
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OS024713 PA
Self-reported in NPPES; status is on the state search - Practice location
- 100 1St St, Millersburg, PA 17061
- Phone
- (717) 692-4834
- Enumerated
- Mar 23, 2022
- Record last updated
- Sep 19, 2025
- Fax
- (717) 692-3678
- Medicaid ID
- 1042270890002 PA
- Medicare enrollment
- Enrolled (PECOS I20250522001674); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2022
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Verify Adam Robert Ohnmacht in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS024713Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average family medicine physician in 2024
419 Medicare Part D claims for 137 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone27 claims
- Losartan Potassium23 claims
- Lisinopril18 claims
- Omeprazole18 claims
- Azithromycin16 claims
- Rosuvastatin Calcium14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Family Practice Center PCMillersburg, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Adam Robert Ohnmacht among 7,483 family medicine physician records in Pennsylvania
Adam Robert Ohnmacht, DO is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 89% of them.
- NPI issued2022 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2022 · median 2005 among the 4,529 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 family medicine physician records list a practice address in Millersburg
They are 3 of the 108 NPPES records with a practice address in Millersburg, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Millersburg → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- John Forney, MDMillersburg, PA 170611437314895
- William Mende, MDMillersburg, PA 170611780646091
- Mandeep Dhilon, MDMifflintown, PA 170591649726423
- Kenneth Erdman, DOMifflintown, PA 170591639118797
- Kristen Frank-Dixon, M.D.Mifflintown, PA 170591750488763
- Natalia Hanson, MDMifflintown, PA 170591851774145
- Mandy Maneval, MDMifflintown, PA 170591407064207
- Todd Taylor, DOMifflintown, PA 170591619911765
Common questions
What is Adam Robert Ohnmacht, DO's NPI number?
Adam Robert Ohnmacht, DO's National Provider Identifier (NPI) is 1457000648, issued on Mar 23, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Adam Robert Ohnmacht, DO located?
The NPPES record lists a practice address at 100 1St St, Millersburg, PA, 17061. Phone: (717) 692-4834. Providers update this record themselves, so call before visiting.
How can I verify Adam Robert Ohnmacht, DO's license?
NPPES lists Pennsylvania license number OS024713, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Adam Robert Ohnmacht, DO prescribe under Medicare Part D?
In 2024, Adam Robert Ohnmacht, DO had 419 Medicare Part D claims for 137 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.